Logaritmo #3

Algebra Level 2

If log ⁡ 1000 = 3 \log 1000 = 3 , log ⁡ x = 1.4 \log x = 1.4 , log ⁡ 2 = 0.3 \log 2 = 0.3 ,

log ⁡ 3 = 0.47 \log 3 = 0.47 and log ⁡ y = 0.6 \log y = 0.6 ,

find the value of x + 2 y − 1 x + 2y - 1 .

30 25 28 32

Victor Porto by Victor Porto , 22, Brazil

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1 solution

Given log x = 1.4, Using antilog table, x=25.12 Given log y = 0.6, Using antilog table, y=3.981 Substituting these values in the given equation, we get 32.082, rounding off, we get 32:)

0 Helpful 1 Interesting 0 Brilliant 0 Confused

Why table or calculator is used ?

Niaz Ghumro - 6 years, 7 months ago

plz tell without table. would u?

Shreyansh Tiwari - 4 years, 9 months ago

Yup no table

Harsh Mankodiya - 4 years, 6 months ago

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